*{
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
}
#carousel {
  width: 800px;
  height: 400px;
  border: 2px solid rgb(68, 64, 64);
  overflow: hidden;
  position: relative;
}
#carousel2 {
    width: 4000px;
    height: 400px;
}
#carousel2 img {
    width: 800px;
    height: 400px;
}
#carousel2 li{
    float: left;
}
.prev{
    background: rgba(255, 255, 255, 0.79);
    width: 30px;
    height: 40px;
    color: aqua;
    text-align: center;
    line-height: 40px;
    position: absolute;
    left:5px;
    top: 45%;
    cursor: pointer;
}
.next{
    background: rgba(255, 255, 255, 0.767);
    width: 30px;
    height: 40px;
    color: aqua;
    text-align: center;
    line-height: 40px;
    position: absolute;
    right:5px;
    top: 45%;
    cursor: pointer; /* 鼠标移到上一张图片上时，鼠标变成手型 */
}
#icolist{
    position: absolute;
    bottom: 10px;
    right: 10px;
}
#icolist li{
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #666;
    text-align: center;
    line-height: 30px;
    color: #fff;
    float: left;
    margin-left:5px;
    cursor: pointer;
}